2021 Mercedes-Benz GLC 2.0 GLC300de AMG Line Premium

Price: £25,260. Fair price: £1,008 (3%) under the AskCar estimate of £26,268, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,850 priced Mercedes-Benz GLC adverts on AskCar as of 7 November 2026.

AskCar lists 2,954 used Mercedes-Benz GLC from 1,193 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLC
  • Trim: AMG Line Premium
  • Version: 2.0 AMG Line Premium Auto 4WD Euro 6 5dr (302 bhp)
  • Year: 2021
  • Mileage: 39,432 miles
  • Fuel: Plug-in hybrid (diesel)
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 302 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 47 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 39,432 miles on the clock, this 2021 Mercedes-Benz GLC AMG Line Premium has done roughly 8,700 fewer miles than a typical 2021 Mercedes-Benz GLC. The AskCar estimate for this car is £26,268. It is priced at £25,260, which is £1,008 below that estimate. The AskCar estimate uses 2,850 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 32 days ago. Its asking price has since fallen by £730. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stratstone Mercedes-Benz of Ipswich, based in Ipswich. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,008 (3%) under the AskCar estimate of £26,268.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,850 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 7 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 plug-in hybrid engine is typically advertised at £24,800: the median of the 127 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 6 October 2026 at £25,990. Its asking price is now £25,260, £730 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 6 October 2026: £25,990
  • 17 October 2026: £25,880
  • 24 October 2026: £25,870
  • 2 November 2026: £25,288
  • 3 November 2026: £25,260

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 30 March 2027.

It has had 5 MOTs. The latest, on 20 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,964 miles, which matches the advertised 39,432 miles.

Advertised mileage is about 8,700 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

9 other 2021 Mercedes-Benz GLC AMG Line Premium 2.0 plug-in hybrid automatic SUVs are for sale at UK dealers, from £19,495 to £26,995, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, grey. Mileage: 37,737 miles. Price: £25,790, £530 more than this car. Dealer: Stratstone Mercedes-Benz of Colchester in Colchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-f3e3a67b70cf
  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, blue. Mileage: 43,623 miles. Price: £25,420, £160 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-afb38ee8e560
  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, blue. Mileage: 44,467 miles. Price: £26,995, £1,735 more than this car. Dealer: Dales Select in Kelbrook. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-e1eda0d95d41

Browse all Mercedes-Benz GLC cars for sale · 2021 Mercedes-Benz GLC price guide

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Photos

40 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.